Center portion of a fluid cylinder for a pump



FIG. 1 is a perspective view of a center portion of a fluid cylinder for a pump showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a sectional view thereof taken along line 9-9 of FIG. 8; and,

FIG. 10 is a sectional view thereof taken along line 10-10 of FIG. 8. 

CLAIM The ornamental design for a center portion of a fluid cylinder for a pump, as shown and described. 